query: SELECT AirportName FROM Airports WHERE AirportCode NOT IN (SELECT SourceAirport FROM Flights UNION SELECT DestAirport FROM Flights)
question: Do Find em name alla airport what not have em flight and out.
query_toks: SELECT AirportName FROM Airports WHERE AirportCode NOT IN ( SELECT SourceAirport FROM Flights UNION SELECT DestAirport FROM Flights )
query_toks_no_value: select airportname from airports where airportcode not in ( select sourceairport from flights union select destairport from flights )
question_toks: Do Find em name alla airport what not have em flight and out.